2012 Tower inspection Minor Maintenance

DEPARTMENT OF HOMELAND SECURITY

UNITED STATES COAST GUARD

CIVIL ENGINEERING UNIT OAKLAND

OAKLAND, CALIFORNIA 94606-5337

PSN #4086757

SPECIFICATIONS

FOR

Tower Inspection and Minor Maintenance

LCDR Tom Levin, P.E.

PROJECT MANAGER

Richard J. Kowalski, P.E.

TECHNICAL DIRECTOR

TABLE OF CONTENTS

SECTION TITLE PAGE

DIVISION 01 - GENERAL REQUIREMENTS

01 10 00 - GENERAL PARAGRAPHS

PART 1 GENERAL

1.01 SCOPE OF WORK: Furnish engineering services for inspection and minor maintenance of towers and antenna systems at various locations in Washington, Oregon, California, Nevada and Montana. Furnish an inspection report on each.

A. The towers to be inspected are listed in Appendix A.

B. A Point of Contact (POC) list shall be provided by the Coast Guard at the time of contract award. Contact respective POC's for site access and directions.

1.02 REFERENCES: The publications and references listed below form a part of this scope of services to the extent referenced. The publications are referred to in the text by the basic designations only.

A. U.S. COAST GUARD TOWER MANUAL, COMDTINST M11000.4A (2002). A copy of this reference will be provided upon request.

B. TIA/EIA-222-G (2005): Structural Standards for Steel Antenna Towers and Antenna Supporting Structures.

C. National Electric Code (NEC) 1999.

D. Copies of existing documents and drawings relating to the towers will be made available at CEU Oakland.

1.03 SITE INVESTIGATION: Investigate the site per FAR 52.236-3 to ascertain the general and local conditions which can affect the work or its cost.

1.04 CONTRACTOR SECURITY REQUIREMENTS: For each affected Coast Guard facility, the Contractor shall provide a list of all on-site personnel, including sub-contractors (including second and third-tier subcontractors) and suppliers, to the Contracting Officer. The contractor shall update this list when changes occur. Contractor personnel not listed may be denied access to the Coast Guard facility. Contractor personnel will be restricted to designated working areas. Any personnel violating this policy may lose access to the Coast Guard facility. Contractor personnel shall have photo identification at all times while working on Coast Guard facilities.

Contractor and delivery personnel may be required to present personal photo identification to gain access to a Coast Guard installation. If identification does not indicate United States citizenship, Coast Guard Security may require proof of the legal right to work in the United States. Contractor and delivery personnel also may be subjected to an immigration status and outstanding criminal warrants check.

Contractors shall provide the Contracting Officer's Technical Representative with 24 hours of advance notice of every delivery to the site (e.g., concrete, lumber, parts, etc.) and provide the company name, delivery person, and phone number of the firm(s) making deliveries. All vehicle access to government property requires vehicle registration and proof of liability insurance. Otherwise access to the Coast Guard facility may be denied.

1.05 CONTINUITY OF FACILITIES OPERATION: Schedule work to minimize interference with the facilities normal operations. Notify the Contracting Officer and the site contact 72 hours in advance of any shutdowns. Perform all on-site work between the hours of 7:00 AM and 5:00 PM, Monday through Friday (Federal Holidays excluded), unless otherwise approved by the Contracting Officer and the Unit Commanding Officer.

1.06 NOTIFICATION OF START AND COMPLETION OF WORK: The Contractor shall notify the Contracting Officer in writing five (5) working days in advance of the date he intends to commence work, and five (5) working days prior to the date that work will be ready for final inspection.

1.07 EMERGENCY CONDITIONS: Prior to departure from each site, report any safety hazards and/or corrective work that must be accomplished immediately. A handwritten report on the emergency condition shall be submitted to the site POC or his designated representative. The site POC should also be notified of the general condition of the tower prior to departure. The KO shall be advised in writing of emergency situations within one week.

A. OFF AIR REQUIREMENTS:

1) DGPS Towers: Off-air time required by the contractor for work on a DGPS tower must be requested a minimum of 45 days before the off-air time is to occur. Any off-air time shall be kept to a minimum by the contractor (i.e. less than two hours). If the work requiring off-air time is expected to exceed two hours, a minimum of 60 days notice is required. This advance notice is required to provide adequate notification to DGPS users of the off-air time. The off-air requests are specific to date and time. Requests shall indicate a primary and an alternate time frame to allow for unforeseen events such as foul weather. Off-air requests shall be coordinated through the CEU Oakland Technical Point of Contract (Project Manager).

2) Other off-air requirements: Any other off-air requirements shall be coordinated with the respective POC.

1.08 RECYCLING AND DISPOSAL OF REFUSE: Refuse, excess or waste materials resulting from construction operations shall become the property of the Contractor and shall be recycled and/or disposed of off Government property. All disposal shall be done in accordance with federal, state, and local laws and regulations.

1.09 ENERGY STAR PRODUCTS: Pursuant to Executive Order 13123, provide Energy Star labeled products or, for product groups where Energy Star programs do not yet exist, products that are in the upper 25 percent of energy efficiency as designated by the Federal Energy Management Program.

1.010 SAFETY: During the execution of this contract, the Contractor shall conform to the rules and regulations as set forth by OSHA Safety and Health Standards, 29 CFR Part 1926 - Safety and Health Regulations for Construction and the Washington Industrial Safety and Health Administration (WISHA) regulations; and State of Oregon, Division of Occupational Safety and Health, OR-OSHA. When the standards differ, the more restrictive standard shall apply. The contractor shall provide barriers, temporary fencing, trench covers, etc. wherever work could cause injury to workers, visitors, Coast Guard personnel, or dependents.

1.011 TEMPORARY FACILITIES:

A. STORAGE: The Contractor shall be responsible for protecting materials stockpiled against weather, damage, theft, and other risks of loss. The Coast Guard assumes no responsibility for material or equipment left in the storage area.

B. SANITARY FACILITIES: There are no toilet facilities available for Contractor use at the job sites. The Contractor shall provide his own facilities in accordance with 29 CFR 1926, Chapter XVII, Subpart D, paragraph 1926.51 (c) (1).

C. TELEPHONE: No telephone service is available for contractor use.

1.012 EXISTING UTILITIES: Utility locations shown on any reference drawings are approximate. The Contractor shall field verify all utility locations before trenching. This shall include but not be limited to the use of sonic, electronic or magnetic detection devices, by noting pullbox and utility box locations at the surface, and by potholing. Contractor shall be responsible for repairing any utilities damaged during construction at no additional cost to the Government.

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

3.01 GENERAL: The primary purpose of the inspections is to detect and report conditions requiring maintenance or repair before such conditions become safety, structural or major maintenance problems. Any such defect shall be recorded with complete data so as to enable the Coast Guard to prepare a contract to repair the defect. The secondary purpose of the inspection is to record, through color photography, instrumentation, and narrative, the present condition of each tower, guy systems, and appurtenances. Minor maintenance and repair shall be performed on the towers as part of the tower inspection services. A detailed inspection of all tower component systems shall be performed and a report of the findings submitted in the format listed in Paragraph 3.08, Inspection Reports. The climb shall reflect the conditions after minor maintenance is conducted. Climb and examine each tower and antenna system to perform the inspection services, minor maintenance, and repair, including but not limited to the following:

A. All members of each tower shall be inspected and checked for safety hazards, deflection, deformation, looseness, missing items, twist, and other deficiencies. Inspection shall include, but not be limited to, tower legs, struts, bracing, diagonal rods, guys, platforms, gusset plates, connections, hardware, and other structural members and components B. All members of each tower shall be inspected and checked for corrosion, delamination, cracking, and damage. This shall include, but not be limited to, mounted sheaves, guides, rollers, outriggers, sheaves, and associated block assemblies, trunnions and bearings (sheave bearings and swing bearings) where installed. The contractor shall mechanically clean and cold galvanize any areas of the structure that require minor maintenance. Any large areas of corrosion deemed, by the contractor, to be major maintenance shall be included in the report, to be maintained during follow-on work scopes.

C. All connections, splices, welds, bolts, nuts, and rivets of each tower shall be checked for deficiencies, defects, and looseness.

D. Check a minimum 20% of all structural bolts for looseness with a wrench.

1) Do not use more than the effort required to obtain a "snug tight" fit (on installation).

2) Do not over tighten a bolt when checking for looseness. Torquing with a wrench shall not check looseness.

3) Replace loose bolts immediately, note and report their locations. Do not retighten them. Spray paint replaced bolts with a dark enamel paint (preferably black) to mark it for quick visual identification.

4) If a loose bolt is discovered, check all other bolts at that leg splice connection.

5) If availability of a nut and bolt assembly becomes an issue, make note on the report, explaining exact location. If it is determined that this bolt will be replaced at a later date, hand tighten the bolt, then measure its diameter and length for future replacement. Spray paint the bolt with a dark red enamel paint to mark it for quick visual identification.

6) If a bolt or bolts are missing, all of the remaining bolts in that connection should be checked for looseness and replaced if loose.

7) If fatigue cracking is discovered in a bolt, all bolts in that leg connection should be replaced.

E. Check 100% of leg bolt section connections such as flanged connections for “looseness” using the method described in Part E above. Be cautious not to re-tighten or re-torque any bolts. This is solely a looseness check. Any loose leg bolts shall be replaced immediately upon inspection using ASTM A325 type nuts and bolts to match existing bolt length, diameter and thread. If a leg flange connection bolt is loose, replace all those bolts within that connection. Use an ANCO self locking nut. Return any/all replaced bolts to the CG for testing. Spray paint all new bolts black enamel for future monitoring.

F. Inspect tower foundations of each tower for settlement, corrosion or damage.

G. All ladders, rungs, safety rails, and cages, where installed, shall be inspected and checked for full compliance with 29 CFR Parts 1910 and 1926, OSHA regulations. A certification sheet shall be included in the report stating that the tower inspected is in full compliance with OSHA regulations, or stating the actions required to bring the tower into full compliance.

H. Inspect and report the condition of the spacer gasket (where existing) between tower sections at the leg flanges.

I. Inspect all surfaces of the towers to determine condition and thickness of the paint or galvanized coating. Check for areas of deterioration, galvanic action or corrosion.

J. Check-off lists for tower inspection items shall be used for all tower inspections.

K. Replace rusted cotter pins with new cotter pins.

L. Clean plugged drain holes in lighting fixtures.

M. Seat all shackle bolts and shear pins so that cotter pins do not bear on shackle or plate eyes.

N. Replace deteriorated or missing turnbuckle mousing wire.

O. Surface prep and touch-up damaged paint areas with zinc rich cold galvanizing paint where deterioration of paint or coating is evident on less than 10% of the tower.

3.02 LIGHTING AND ELECTRICAL SYSTEMS:

A. Renew all obstruction lamps and flashing beacons at all levels on each tower. Each fixture shall be opened, the inside of the fixture wiped clean, the lens gasket wiped clean of old grease, and each lens wiped clean inside and out before closing. Drain holes shall be cleaned of debris and other accumulations. Replace each lamp. Check relay switches for proper operation and replace if faulty. Check beacon flashers and photocells for correct operation. Re-grease all gaskets with the lenses securely closed using silicone grease.

B. Test all transfer relays in double obstruction lights by unscrewing the primary bulb after re-lamping, or by replacing the primary bulb first. Replace all faulty relays.

C. All lighting system junction boxes shall be opened, the insides wiped out, the drain holes cleared of debris and accumulations, and the gaskets cleaned of all old silicon grease. Each wire and connection board shall be inspected for proper operation and tightness. The gaskets on all boxes and the screw threads of each securing screw shall be re-greased using silicone grease before being securely closed. All cable glands on each junction box shall also be inspected for weather sealing and tightness.

D. The exposed electric cable for each lighting circuit shall be inspected over its full length for any splits, cuts or perishing of the insulation. It shall also be inspected for secure attachment to the tower. The lighting cables should be secured at maximum 5'-0" intervals. Any loose cable shall be taped to the tower leg in the following manner:

1) Two (2) turns of 2 inch 3M #50 Scotchwrap around cable and tower leg.

2) Three (3) turns of 1 inch 3M #890 Scotch filament tape over first layer.

3) Four (4) turns of 2 inch 3M #50 Scotchwrap over the filament tape.

4) Apply the last two turns with no tension.

E. Using a megger/ohm meter, the insulation resistance of the tower lighting circuit cable conductors shall be measured. Conductor resistance of each of the isolation transformer windings shall also be measured from the nearest junction box at the base platform. If either insulation resistance is measured at less than one (1) megohm, isolate and eliminate the fault to the extent possible by cleaning and minor repair.

F. Check all conduit, conduit clamps, and conduit fittings. Inspect antenna feedlines.

G. Light oil shall be applied to the screw threads of all lighting system components removed for inspection as a part of this contract.

3.03 TOWER GROUND PLANE SYSTEM: All ground straps and the tower ground plane system that radiates from the tower base shall be inspected. Each wire and ground rod shall be inspected where they appear above ground, they shall not be excavated for inspection. They shall be inspected for breakage, broken joints and corrosion. Any such defect shall be recorded and reported so as to enable the Coast Guard to locate and repair the defect.

3.04 BASE INSULATORS FOR ENERGIZED TOWERS: Visually inspect base insulators of energized towers for cracks, broken elements, corrosion of their metal parts, and contamination of the glazed surfaces of the porcelain elements. If off air time is required to perform other maintenance on the tower, use this time to conduct a careful inspection of the insulators by feeling for the presence of cracks.

3.05 GUY SYSTEMS:

A. All structural and radial guy wires shall be visually inspected from the ground using a telescope and from the tower using high-power binoculars, with special emphasis given to all insulator connections where installed. If visual inspection shows a need for further investigation by riding a guy wire, notify the KO. Riding of guys will be the subject of a contract modification. Any damage or deterioration to guys shall be photographed, and mapped on a sketch to indicate location and extent of damage. The type, size and material of guys shall be indicated. Guy tension shall be measured and recorded for all guys.

B. All insulators and bushings shall be inspected for evidence of or potential for RF arcing and tracking from foreign contaminants. Any porcelain johnny ball insulators that are accessible from the tower or the ground shall be cleaned.

C. All guy wire connections on the tower and at the anchorage shall be inspected. Check preformed guy grips for deterioration, unraveling or loss of aluminum coating. Check for electrolysis at all connections between dissimilar metals. Anchors that are not concrete encased and are embedded below grade shall be exposed and inspected to a minimum depth of 12" below grade. Photographs depicting anchor conditions shall be included in the report. If the anchor rods or arms show significant corrosion, measurements shall be taken and reported to allow any loss in cross section to be calculated.

D. All antenna wire subsystem components shall be inspected from the ground using a telescope and from each tower using high-power binoculars. Wire, conductors, jumpers, clamps, insulators and other associated elements, components, connections and hardware shall be inspected for corrosion, deterioration, abrasion, abnormalities, damage, deficiencies, and other defects.

3.06 GUY TENSIONS: Measure and record the tensions near the anchors of all structural and radial guys. Adjust as necessary to bring tension, alignment, and twist values within tolerances. Tension values shall be within 5% of allowable guy tensions. Do not disconnect any guys without approval from the KO. Observed guy tension values before and after adjustment shall be included in the tower inspection report in a tabular form.

3.07 TOWER ALIGNMENT:

A. Check and adjust as necessary the vertical alignment of the tower structure. Tower vertical alignment shall be checked using the “transit check” method discussed in paragraph 8-G-1-b of the Coast Guard Tower Manual. The Twist and Out-of-Plumb Determination Method described in the EIA/TIA-222-G manual may also be used to obtain alignment and twist measurements simultaneously.

B. Measure and record any deflection from vertical at each guy level. Where the cross-section of the tower leg is not consistent throughout the height of the tower, adjustments shall be made to give true deflections from vertical. Deflection readings shall be included in the Tower Report in a tabular form.

C. Plots of tower alignment at each guy level shall be included in the tower report. Deflection values plotted shall be the average of two readings, one with the scope direct and the other with the scope inverted and then reversed ("plunge position").

D. All of the measurements and any adjustments shall be made with the wind from a constant direction (+/- 20 degrees), at a speed of less than 15 knots. Weather conditions including temperature, wind direction and speed shall be recorded.

E. TOWER TWIST: Twist values shall be measured in degrees clockwise or counter clockwise using the base platform as the zero reference. A plot of tower twist before and after guy tension adjustment shall be included in the tower inspection report.

3.08 INSPECTION REPORTS:

A. An inspection report shall be completed for each tower inspected. One hard copy and one electronic copy (in .pdf format) of each report shall be prepared and delivered to the PM at the following address within thirty (30) working days after work is completed at that particular site.

Commanding Officer Civil Engineering Unit Oakland Attn: LCDR Tom Levin 2000 Embarcadero, Ste 200 Oakland, CA 94606-5337 B. Submit as per the base contract.

END OF SECTION

01 33 00 – SUBMITTALS PROCEDURES

PART 1 GENERAL

1.01 GENERAL

A. Forward all submittals, except as stated elsewhere, to the Contracting Officer on CD-ROM or by email within 10 calendar days from date of Notice to Proceed, unless indicated otherwise in the submittal register. Submittals shall be accompanied with the USCG furnished material submittal form in Microsoft Word Format. Unless noted otherwise, all submittals shall be provided in an electronic image format. Provide these submittal images to the Contracting Officer, the Construction Manager, and the Contracting Officer's Representative (COR) simultaneously. If the electronic image is insufficient to ascertain submittal acceptability, the Contracting Officer may request a hard copy submittal. The Contracting Officer will e-mail approval or disapproval of submittals, within 14 calendar days after receipt.

B. The Construction Manager will review all submittals for compliance with these specifications. Submittals shall have been approved by the Contracting Officer before any item is delivered to the job site.

C. Approval of submittals, and corrections or comments made during the review, do not relieve the Contractor from compliance with the requirements of the plans and specifications.

D. The schedule of submittals listed in the submittal register and in the individual sections are the submittals required for this contract. Unsolicited submittals may be returned to the Contractor without review.

1.02 STATEMENTS OF PROCEDURES: Job-specific detailed procedure statements for aspects of the project requiring special attention. The statements shall indicate all methods and materials to be used for proper execution of the work. The statements shall also indicate any limiting criteria and scheduling requirements. In particular, a description of the method and equipment that will be used to check and adjust the tensions on guyed towers.

1.03 STANDARD COMPLIANCE: When materials or equipment must conform to the standards of organizations such as the American Society for Testing and Materials (ASTM), and Underwriter's Laboratories (UL), proof of such conformance shall be submitted to the Contracting Officer for approval. If an organization uses a label or listing to indicate compliance with a particular standard, the label or listing will be acceptable evidence. In lieu of the label or listing, submit a certificate from an independent testing organization, which is competent to perform the test. The certificate shall state that the item has been tested in accordance with the specified organization's standard.

1.04 HAZARDOUS MATERIAL IDENTIFICATION: Submit Material Safety Data Sheets (MSDS) for any materials defined as hazardous under the most current revision of Federal Standard 313. One copy of each MSDS shall be submitted to the Contracting Officer's Representative no later than the delivery date of the product. Two copies shall be submitted to the Construction Manager.

1.05 BAR CHART PROGRESS SCHEDULE: Within 10 calendar days after award, submit a bar chart progress schedule. On-site work shall not begin until a bar chart schedule has been approved. The bar chart shall show the complete sequence of construction by activity (including acquisition of materials and equipment). The chart shall identify the construction start date, the completion date, and all workdays through the duration of the project. If the project requires various delivery dates, dates will be indicated for each of the required deliverable elements (i.e., housing unit or specific building). The bar chart shall also identify the cost for the various activities which shall be used as the basis for the Contractor's periodic request for payments. Submission and approval of final reports shall each be separate line items (with associated costs) on the bar chart.

1.06 CLIMBER QUALIFICATIONS: Documentation of climber training shall be submitted within 10 calendar days after NTP. All climbers shall have attended an OSHA certified climber course.

1.07 TOWER RESCUE PLAN: The Contractor shall submit to the Contracting Officer a Rescue Plan for each site. This shall include information on the nearest rescue personnel that can rescue tower climber personnel from the tallest height of the tallest tower they will be working on for this project.

PART 2 PRODUCTS

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PART 3 EXECUTION

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END OF SECTION

#4086757 Page 1

CEU OAKLAND SUBMITTAL REGISTER

PSN:

4086757

CONTRACT NO.:

PROJECT TITLE AND LOCATION:

Tower Inspections and Minor Maintenance

CONTRACTOR NAME:

Submittal Reference Location

* Days after award ** Working days after inspection completed.

01 35 29 – HEALTH, SAFETY, AND EMERGENCY RESPONSE PROCEDURES

PART 1 GENERAL

1.01 SECTION INCLUDES: This section applies to all necessary steps taken by the contractor to comply with the safety, health, and environmental protection requirements listed herein.

1.02 APPLICABLE PUBLICATIONS: The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.

A. ENVIRONMENTAL PROTECTION AGENCY (EPA) REGULATIONS:

B. U.S. DEPARTMENT OF LABOR OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA) REGULATIONS:

C. U. S. COAST GUARD COMMANDANT INSTRUCTIONS (COMDTINSTs):

COMDTINST M11000.4 U.S. Coast Guard Tower Manual

1.03 REFERENCE STATUTES: The statutes listed below form a part of this specification to the extent referenced.

1.04 HAZARDOUS MATERIAL TESTING:

A. No tests have been conducted on the materials expected to be encountered during this work. The contractor shall comply with the requirements of this specification in the event any materials are encountered which may pose a potential health hazard.

1.05 UNFORESEEN HAZARDOUS MATERIALS:

A. If, during the course of work, material is found that may be hazardous to human health upon disturbance during construction operations, stop that portion of work and notify the Contracting Officer immediately. Within 14 calendar days, the Government will determine if the material is hazardous. If the material is not hazardous or poses no danger, the Government will direct the Contractor to proceed without change. If the material is hazardous and handling of the material is necessary to accomplish the work, the Government will issue a contract modification.

B. If asbestos is the hazard of concern, the materials shall be tested following the negative assessment protocol found in 40 CFR Part 763, Asbestos Hazards and Emergency Response Act (AHERA).

1.06 DEFINITIONS

A. Rubbish: A variety of combustible and noncombustible wastes such as paper, boxes, glass, crockery, metal, lumber, cans, and bones.

B. Debris: Includes combustible and noncombustible wastes, such as ashes, waste materials that result from construction or maintenance and repair work, leaves, and tree trimmings.

C. Asbestos and Asbestos Materials: Asbestos means actinolite, amosite, antophyllite, chrysotile, crocidolite, and tremolite. Asbestos material means asbestos or any material containing asbestos such as asbestos waste, scrap, debris bags, containers, equipment, and asbestos-contaminated clothing consigned for disposal. Friable asbestos material means any material that contains more than one percent asbestos by weight and that can be crumbled, pulverized, or reduced to powder, when dry, by hand pressure.

D. Lead Containing Paint: Paint or other similar surface coating material containing lead or lead compounds and in which the lead content is in excess of 0.06% by weight of the total nonvolatile content of the paint or the weight of the dried paint film. Abatement of paint containing even trace amounts of lead must meet the requirements of Federal and State laws for protection of employees (e.g., 29 CFR 1926.62).

1.07 SUBMITTALS: Submit the following in accordance with Section 01 33 00, "Submittals":

A. Materials Safety Data Sheets (MSDS's): Copies of all MSDS's for all hazardous materials (including petroleum products) shall be submitted along with a listing of quantities of these hazardous materials proposed to be stored on site.

1.08 ENVIRONMENTAL PROTECTION REQUIREMENTS: Provide and maintain environmental protection during the life of the Contract to control pollution or to correct conditions that develop during construction. Comply with all Federal, State, and local laws and regulations pertaining to water, air, soil, and noise pollution.

1.09 PROTECTION OF NATURAL RESOURCES

A. Preserve the natural resources within the project boundaries and outside the limits of permanent work performed under this Contract in their existing condition or restore to an equivalent or improved condition upon completion of the work. Repair or restore to original condition all trees or other landscape features scarred or damaged by equipment or operations. Obtain Contracting Officer's approval before repair or restoration. Confine construction activities to areas defined by the work schedule, drawings, and specifications. Federal Acquisition Regulation clause 52.236-9 applies.

B. Except in areas indicated to be cleared, do not remove, cut, deface, injure, or destroy trees or shrubs without special written permission from the Contracting Officer. Protect existing trees which may be damaged by construction operations.

C. Construction equipment is to be kept in good repair, without leaks of hydraulic or lubricating fluids. If such leaks or drips do occur, they shall be cleaned up immediately. Drip pans shall be utilized when vehicles are parked. Confine equipment maintenance and/or repair to one location. Control runoff in this area to prevent contamination of soils and water.

D. At or before Contract completion, obliterate all signs of temporary construction facilities such as haul roads, work areas, structures, foundations of temporary structures, stockpiles of excess or waste materials, and all other vestiges of construction. Temporary roads, parking areas, staging areas, and similar temporary use areas where excavation has been accomplished shall be graded in conformance with surrounding areas. Restore all disturbed areas to their original condition.

1.010 CONTROL AND DISPOSAL OF WASTES: With the exception of materials specifically indicated or specified to be salvaged for reuse in construction, or turned over to the Government, all wastes and demolished materials become the contractor's property and shall be removed from the job site daily.

1.011 FALL PROTECTION:

A. All work shall be carried out in accordance with strict safety standards. As a minimum, the requirements of 29 CFR 1926, OSHA Construction Safety and Health Compliance, shall be met. Specifically, all climbers shall maintain 100% fall protection at all times.

B. Contractor shall have rescue equipment on site and ready to use. Prior to the start of construction, Contractor shall submit proof that all personnel are trained and certified in tower rescue procedures. All climbers shall be familiar with the rescue equipment being used. A Rescue Plan shall be in place and discussed amongst all climbers prior to climbing. Prior to mobilization, submit a copy of the Rescue Plan via email to the Contracting Officer.

C. Comply with the safety guidelines provided in the U.S. Coast Guard COMDTINST M11000.4A, Coast Guard Tower Manual.

1.012 NOISE: Make the maximum use of "low-noise-emission products" as certified by EPA and described at 40 CFR Part 204. No blasting or use of explosives is permitted. Comply with applicable portions of the Noise Control Act (NCA). The Contractor is responsible for complying with all other federal, state, and local noise control laws and regulations.

PART 2 PRODUCTS

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PART 3 EXECUTION

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END OF SECTION

APPENDIX A

TOWERS TO BE INSPECTED

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